2541–2560 of 6,715 results
How to spot Quadrantid meteors

Celestial News & Events

Poor Year for the Quadrantid Meteor Shower

The Quadrantid meteor shower is usually one of the year's best. But this year's event will be spoiled by strong light from an intruding Moon.

Creating the

Celestial News & Events

How We Create the "Skygazer's Almanac"

Sky & Telescope's year-at-a-glance guide to celestial happenings is a symphony of detailed calculations and clear, elegant design.

BepiColombo

Space Missions

Looking Ahead: Space Missions for 2018

The next year will see space missions headed for Mars, Mercury, the Sun, and more. Asteroid rendezvous, exoplanet discoveries, and a Mars landing await.

Jupiter-Mars-Moon on January 10-12

Celestial News & Events

Tour January's Sky: Planet Pairings at Dawn

January's astronomy podcast describes how to spot Mercury, Mars, Jupiter, and Saturn in the predawn sky during January — plus you'll learn about a "trifecta" full Moon at month's end.

Total Eclipse 2017

Astronomy & Observing News

Top 10 Astronomy News Stories for 2017

Multiple gravitational-wave detections, a total solar eclipse, and exploration of the outer system number among the top astronomy news stories of the year.

Jan 2018 Lunar Eclipse

Celestial News & Events

Solar and Lunar Eclipses in 2018

Two total lunar eclipses occur this year, the first since late 2015, in January and July. Meanwhile, three solar eclipses take place in 2018 — all of them only partial cover-ups.

Colorful Perseid fireball

Celestial News & Events

The Best Meteor Showers in 2018

More than a dozen times each year, we experience a pulse of "shooting stars" from an annual meteor shower. Sky & Telescope predicts that the two best meteor showers in 2018 will be the Perseids in mid-August and the Geminids in mid-December.

Full moon

Celestial News & Events

What to See with Your New Telescope During 2017 Holidays

Maybe you just got a shiny new telescope to call your own. Congratulations — you could be on your way to discovering many amazing, far, deep things in the night sky. Although most of them are so far and faint that just locating and detecting them is the challenge! Whether…

Cocoon scenario explains observations of GW170817

Stellar Science

Neutron-star Smashup Might Have Choked Its Own Jet

LIGO’s neutron-star smashup might not have been a typical short gamma-ray burst. If true, the detection points toward a new class of gamma-ray bursts — but the jury is still out.

caesar-concept

Space Missions

Two Finalists for NASA's New Frontiers

NASA has selected two finalists for consideration as the next New Frontiers mission: a comet sample return and a flying drone for Titan.

star on a scale

Exoplanets

60-Second Astronomy News: Dec. 20, 2017

This week's roundup of astro news brings us a polar-orbiting planet, a novel way to measure stellar masses, and ginormous convective bubbles on a distant star.

Portrayal of 'Oumuamua (1I/2017 U1)

Solar System

`Oumuamua: Red, Tumbling, and Silent

Astronomers' recent observations of our first-known interstellar visitor reveal that it is very strange indeed.

SkyMapper

Professional Telescopes

Explore The Southern Sky with SkyMapper

A new telescope called the SkyMapper has charted stars and galaxies across the southern sky, producing a map called "the best ever created."

Kepler-90 system

Exoplanets

Neural Network Finds 8-Planet System

Scientists have applied a brand of artificial intelligence to data from the exoplanet-hunting Kepler satellite, resulting in the discovery of the first eight-planet system outside our own.

Astronomy and Society

Official Names Approved for 86 More Stars

The International Astronomical Union has given its official approval for 86 star names, following up on last year's announcement of 227 official star names.

Meteor trail over Chelyabinsk

Solar System

AGU 2017: News from the Solar System

­­­Here's a quick look at results announced at the 2017 American Geophysical Union meeting in New Orleans: exploding meteoroids, Saturn's ring-atmosphere connection, and more bright spots on Ceres.

Solar System

Does New Horizons’ Target Have a Moon? (Update: Nope)

New analysis from the New Horizons team suggest that the spacecraft's next target in the Kuiper Belt might have a third companion.

Celestial News & Events

What's the Thinnest Crescent Moon You Can See?

A slender Moon is an beautiful and inspiring sight. December and January offer several opportunities to see these exceptional crescents.

Jupiter's Great Red Spot

Solar System

Juno Probes Depths of the Great Red Spot

NASA’s Juno spacecraft peeked under the clouds of the most iconic weather feature in the solar system, Jupiter’s Great Red Spot, revealing a complex structure deep below the surface.

Stellar Science

Which of Kepler’s Stars Flare?

The habitability of distant exoplanets is dependent upon many factors — one of which is the activity of their host stars. To learn about which stars are most likely to flare, a recent study examines tens of thousands of stellar flares observed by Kepler. Need for a Broader Sample Most…